[Q] Screen replacement - volume flex cable. PLEASE HELP!!!!

I just attempted to repalce the screen of my E975. I bought a complete replacement assembly with housing, to make things easier for myself.

However, on the original phone there is a little metal plate where the volume flex cable connects to the motherboard. On the repalcement part, there is no such thing(see pics). I took the volume flex cable and moved it to the new screen assembly and put a piece of doublesided mobile tape on the replacement part, to make it hold and elevate the connector to the same hight as with the metal plate. But now my volume buttons arent working anymore?

Has anybody had some similar problems or could someone help me out how to get my volume buttons to work with this new screen???

I looked everywhere, and all the complete screen assemblies you can buy for the e975, look just like the one i got. So there are none that have that metal plate?

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